The word "triaster" is spelled with three syllables: /traɪˈæstər/. The initial syllable is "tri", pronounced like the English word "try". The second syllable is "a", pronounced like the English letter "a". The final syllable is "ster", pronounced like the English word "aster", which refers to a flower. "Triaster" is a term used in biology to refer to a structure that forms during cell division. Correct spelling and pronunciation of scientific terms is important for clear communication in the field.